Monthly climate guide
Kos weather in June
June in Kos is typically hot, with average daytime highs around 28°C (83°F) and night-time lows near 22°C (71°F). The month usually brings about 7 mm of rain (very dry) and is mostly sunny. Daytime highs are 4°C warmer than May and 3°C cooler than July.
What stands out in June
- In Kos, June is early summer.
- With the heat, see Zia early in the morning or late in the afternoon.
- It's one of the drier months, with about 88% less rain than Kos's average.
- Kos is usually about 3°C warmer than Kálymnos, 30 km away, in June.
Avg high
28°C
83°F
Avg low
22°C
71°F
Rainfall
7 mm
very dry
Humidity
66%
relative
Sky
18%
cloud · mostly sunny
Kos weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 10°C / 51°F | 166 mm | 74% | 56% |
| February | 15°C / 59°F | 11°C / 52°F | 112 mm | 75% | 51% |
| March | 17°C / 62°F | 12°C / 54°F | 74 mm | 74% | 48% |
| April | 20°C / 68°F | 14°C / 58°F | 41 mm | 72% | 41% |
| May | 24°C / 75°F | 18°C / 65°F | 28 mm | 70% | 36% |
| June | 28°C / 83°F | 22°C / 71°F | 7 mm | 66% | 18% |
| July | 32°C / 89°F | 24°C / 75°F | 2 mm | 60% | 8% |
| August | 32°C / 90°F | 25°C / 76°F | 3 mm | 60% | 7% |
| September | 29°C / 84°F | 22°C / 72°F | 19 mm | 63% | 13% |
| October | 25°C / 76°F | 19°C / 66°F | 50 mm | 66% | 27% |
| November | 20°C / 69°F | 16°C / 60°F | 88 mm | 68% | 38% |
| December | 16°C / 61°F | 12°C / 54°F | 134 mm | 72% | 49% |
What to pack for June
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- Sunglasses
Is June a good time to visit Kos?
Our Kos guide recommends: May–June and September–October for warm sea and fewer crowds.
Rent a bike in Kos Town; there are cycle lanes along the coast.
Best time to visit Kos →Other Greece cities in June
Cite or embed this data
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Kos weather in June. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/kos/june
<a href="https://weathercompare.eu/weather/greece/kos/june">Kos weather in June</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/kos" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Kos weather in June"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/kos/june">Kos weather in June</a> – WeatherCompare</p>
Kos in June: quick answers
Is June a good time to visit Kos?
Yes. June is one of the best months for Kos, with highs around 28°C and about 7 mm of rain.
How warm is Kos in June?
Average highs are about 28°C (83°F) and average lows about 22°C (71°F), based on 10 years of daily data.
Does it rain a lot in Kos in June?
Kos typically gets around 7 mm of rain in June — very dry.
When is the best time to visit Kos?
May–June and September–October for warm sea and fewer crowds.
Figures are long-term averages for the area around Kos (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.